See picture for reply and solution steps.
Hello!
<u><em>Answer: ⇒ 1/38</em></u>
Step-by-step explanation:
Convert element to fraction.

Apply the fraction rule.

Then you can multiply by the fraction.

Multiply by the numbers.



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-Charlie
Answer:
40
Step-by-step explanation:
Substitute the variable, x, with 4
3(4) + 7 (4)
Multiply
3(4)= 12
7(4)= 28
12 + 28 = 40